Ib biology sl Guías de estudio, Notas de estudios & Resúmenes

IB BIOLOGY TOPIC 3 GENETICS COMPLETE STUDY GUIDE 2023. HKEXCEL LTD. 1 Topic 3.1 – Genes Genetics x It is the study of variation and inheritance. The basic unit of inheritance is a gene. Gene x A gene is defined as a heritable factor that controls a specific characteristic for an organism, or a section of DNA that codes for the formation of a polypeptide. x A gene occupies a specific position on a chromosome. x A typical animal or plant cell nucleus contains thousands of genes. The ...

Chapter 1-10 detailed summarized notes for IB Biology Final exams

Revision notes for IB Biology exams on Chapter 2, Molecular Biology. Color coded, with drawings, diagrams and straightforward explanations. 2.1 Molecules to metabolism 2.2 Water 2.3 Carbohydrates and Lipids 2.4 Proteins 2.5 Enzymes 2.6 DNA and RNA structure 2.7 DNA replication, transcription, translation 2.8 Cell respiration 2.9 Photosynthesis

Hershey & Chase experiment Experiment target: T2 Bacteriophage (a kind of virus, containing DNA and a protein coat) & E.Coli bacteria How does virus work? • Virus injects their genetic material into cell • Non-genetic part of the virus (protein coat) remains outside the cell • Infected cell produces large amount of viruses based on the genetic material in the cell • The cell bursts releasing copied viruses Experimental methodology: • Amino acid containing radioactive isotopes ...

IB BIOLOGY TOPIC 1 CELL BIOLOGY QUESTIONS AND ANSWERS COMPLETE STUDY GUIDE 2023 IB Biology Topic 1: Cell Biology 1. Cell theory: The theory that cells form the fundamental structural and functional units of all living organisms. 2. Differentiation: The expression of a particular gene(s) and not others in order for cell specialisation. 3. Emergent properties: The idea that the sum of an organism is more than the parts interacting and combining. Living things become more complex as they...

Question bank from past papers for chapter 2,4,6,11 Questions and Answers (mark scheme)

IB Biology SL IA on Pupillary Light Reflex Study Set Mechanoreceptors - CORRECT ANSWER-Sensory receptors responsible for sensing distortion in body tissues Chemoreceptors - CORRECT ANSWER-chemical sensors in the brain and blood vessels that identify changing levels of oxygen and carbon dioxide Thermoreceptors - CORRECT ANSWER-respond to changes in temperature Photoreceptors - CORRECT ANSWER-respond to light Olfaction - CORRECT ANSWER-sense of smell odorants - CORRECT ANSWER-air...

This document summarizes option A of the IB course companion. This chapter includes many different aspects of biology, but bullet points and pictures make it easy to understand and learn for your tests and exams!

Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. A-level BIOLOGY Paper 2 Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill within the boxes at the top based on this page. • Answer all questions. • You must answer the questions within the ...